Secure On-Line Payments

Space at the bottom of the menu

Yuasa YTR4A-BS 12V Motorcycle Battery

Yuasa YTR4A-BS 12V Motorcycle Battery
Our Price:  £89.95(Inc. 20% VAT)(£74.96 Exc. VAT)


In stock, immediate despatch  

In stock, immediate despatch

Part Number:  YTR4A-BS
Voltage:  12v
Capacity:  2.3Ah
CCA Rating (EN):  45A
Weight:  1.1Kg
Length:  114mm
Width:  49mm
Height:  86mm

Yuasa Motorcycle Batteries


  • Spill-proof design to avoid any leakage
  • Advanced lead-calcium technology for improved starting power
  • Longer lasting design with reduced sulphation
  • Exceptional vibration resistance for the best reliability


  • Manufacturer:Yuasa
  • Battery Type Number: Yuasa YTR4A-BS
  • Battery Type: Sealed 12V AGM maintenance-free battery
  • Filling Kit Included: Supplied pre-filled
  • Dimensions: 114mm x 49mm x 86mm
  • Capacity Rating: 2.3Ah
  • Cold-Start Performance CCA (EN): 45A
  • Maximum Charging Rate: 1.0 Amp
  • Weight (filled): 1.10kg
  • Terminal Layout: Left: + Right: - (With the terminals on the edge nearest to you)
  • Warranty: One year warranty



Fits The Following Motorbikes

  • Honda SFX50
  • Honda SJ50 Bali
  • Honda SR50
  • Honda X8R-X
  • Honda ZX50

Replaces The Following Part Numbers

  • FTR4A-12B
  • FR4A-12B
  • CTR4A-BS
  • AR4A-12B
  • Varta 503-903-004
  • And many more .....

 To download the full Yuasa automotive range guide click icon

 To download the Yuasa MSDS safety sheet click icon


All prices include free mainland UK delivery - other than certain remote areas that may attract a delivery surcharge.

All Royal Mail deliveries are sent by first class post and are free to all UK postcodes.

Most UPS deliveries are free however remote areas may have a delivery surcharge; these are generally the Scottish Highlands and Islands, most off shore islands and a few other remote or inaccessible parts of the UK.

Certain products are unavailable for post/courier delivery due to restrictions on shipping hazardous substances; these will be available for collection only or in most instances can be shipped via specialist courier or pallet service at an additional charge.

If you have any delivery problems, require technical assistance or would simply like to speak to a human being then please call us.

For further delivery information click here


Does this battery come pre-filled?

Yes these now come pre-filled - under new EPP (Explosives, Precursors and Poisons) Regulations these can no longer be shipped with a separate acid pack so all Yuasa YTX Series maintenance free batteries will be pre-filled prior to despatch.

View our blog post on the new regulations

Does this battery come charged?

They come with around 70% charge from the factory so can be fitted and used immediately as long as your bike is used on a regular basis. For bikes only used on an occasional basis we would suggest a full charge prior to install and on-going maintenance charging.

Can this battery be side mounted?

Yes this battery can be side mounted at up to 90 degrees from the vertical